Re: Re: Backup and Recovery
От | Bruce Momjian |
---|---|
Тема | Re: Re: Backup and Recovery |
Дата | |
Msg-id | 200107041504.f64F4uG05585@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Re: Backup and Recovery (ncm@zembu.com (Nathan Myers)) |
Список | pgsql-hackers |
> On Wed, Jul 04, 2001 at 10:37:57AM +0200, Zeugswetter Andreas SB wrote: > > > > > I imagine a daemon extracting redo log entries from WAL segments, > > > asynchronously. Mixing redo log entries into the WAL allows the WAL > > > to be the only synchronous disk writer in the system, a Good Thing. > > > > This comes up periodically now. WAL currently already has all the info > > that would be needed for redo (it actually has to). > > The WAL has the information needed to take a binary table image > from the checkpoint state to the last committed transaction. > IIUC, it is meaningless in relation to a pg_dump image. > Also, I expect this will be completed for 7.2. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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